UniElec U7623-02 eMMC/512MiB RAM (legacy image) OpenWrt Firmware
The UniElec U7623-02 eMMC/512MiB RAM (legacy image) is supported by OpenWrt on the mediatek/mt7623 target. 2 firmware images are available from the official OpenWrt 25.12.5 stable release — download one below, or build a custom OpenWrt image for this device with your own package selection.
Build matrix
Supported firmware versions
| Distribution | Version | Target | Profile |
|---|---|---|---|
| OpenWrt | 25.12.5 | mediatek/mt7623 | unielec_u7623-02-emmc-512m-legacy |
Downloads
Download images
OpenWrt 25.12.5 · mediatek/mt7623
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-mediatek-mt7623-unielec_u7623-02-emmc-512m-legacy-initramfs-kernel.bin Minimal kernel image, useful for first install or recovery. | kernel | a127db0125cf… |
| openwrt-25.12.5-mediatek-mt7623-unielec_u7623-02-emmc-512m-legacy-squashfs-sysupgrade.bin.gz Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | ae2af8c26ddd… |
Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the UniElec U7623-02 eMMC/512MiB RAM (legacy image) ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
Device packages (11)
kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 kmod-mmc mkf2fs e2fsprogs kmod-usb-ohci kmod-usb2 kmod-usb3 kmod-ata-ahci partx-utils
Target default packages (29)
apk-mbedtls base-files ca-bundle dnsmasq dropbear firewall4 fitblk fstools kmod-crypto-hw-safexcel kmod-gpio-button-hotplug kmod-leds-gpio kmod-nft-offload libc libgcc libustream-mbedtls logd mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoe procd-ujail uboot-envtools uci uclient-fetch urandom-seed urngd
Installation notes
- Already running OpenWrt or ImmortalWrt: flash the sysupgrade image from LuCI (System → Backup / Flash Firmware) or with the sysupgrade command.
- The kernel / initramfs image boots from RAM without writing to flash — useful for a first install or for recovering from a failed flash.
- Verify your download against the published checksum before flashing:
$ sha256sum openwrt-25.12.5-mediatek-mt7623-unielec_u7623-02-emmc-512m-legacy-initramfs-kernel.bin a127db0125cf60c878e9d8783bf96d988a3a33dee383f6e822a5fb47370ccd59 openwrt-25.12.5-mediatek-mt7623-unielec_u7623-02-emmc-512m-legacy-initramfs-kernel.bin
Build custom firmware
Need more than the default image for the UniElec U7623-02 eMMC/512MiB RAM (legacy image)? Pick your packages — LuCI apps, themes, VPN clients — set the basics, and get a ready-to-flash OpenWrt image assembled from official packages in minutes.
Customize firmware for this deviceRelated
Related devices
More UniElec devices
- UniElec U7621-01 16M OpenWrt firmware
- UniElec U7621-06 16M OpenWrt firmware
- UniElec U7621-06 32M OpenWrt firmware
- UniElec U7621-06 64M OpenWrt firmware
- UniElec U7623-02 OpenWrt firmware
- UniElec U7628-01 16M OpenWrt firmware
More devices on mediatek/mt7623
Upstream
Upstream & source
Images are assembled from packages compiled and published by the upstream OpenWrt and ImmortalWrt projects. The complete corresponding source code is available from those projects under the GPL.